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DLMF:4.21#Ex1 - MaRDI portal

DLMF:4.21#Ex1 (Q1957)

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DLMF:4.21#Ex1
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    sin z = 2 t 1 + t 2 , 𝑧 2 𝑡 1 superscript 𝑡 2 {\displaystyle{\displaystyle\sin z=\frac{2t}{1+t^{2}},}}
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